Hormones : These glands secrete parathyroid hormone (PTH) , which is a peptide hormone.
Functions of the hormones :
1. It increases the amount of calcium. It stimulates the resorption of Ca2+ from the digested food and and Ca2+ resorption in the renal tubules. It also the process of demineralization in bones.
2. It decreases the amount of phosphorous in blood.
3. It plays a significant role in maintaining the calcium balance in the body.